What factor was most important in enabling russia to fight in world war i for as long as it did?
a. financial wealth
b. early successes in the war
c. a large supply of soldiers
d. popular support

A large supply of soldiers is the factor which enabled Russia to fight in world war I

Explanation:

It was recorded that Russia had the largest army in the world and this was the major asset for Russia to enter world war I. Russia and Austria-Hungary were in dispute over the area called Balkans . Russia had a very close relationship with Serbia and in Austria there were many  Serbs who feared that they may be asked to convert into Austrian citizens. triple alliance was formed by Germany, Austria-Hungary and Italy which considered to be the major threat to Russia.

Russian government introduced great army program which increased the size of Russian army. Around twenty  five million youth of Russia were in combating age and it increased the size of army. But the major problem was the deployment of soldiers in the war field. Due to the poor road and transporting conditions Russia experienced a great weakness in deploying soldiers during World war I

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